references and Tutorials

These tutorials, many obtained from external sites, might be helpful

Basic TSO / System description, plus naming conventions -- High Level Qualifiers (HLQs)
TSO and HighLevelQualifiers tutorial.pdf

How to use ISPF -- the mainframe text editor
ISPF tutorial.pdf

How to create & allocate datasets
Datasets tutorial.pdf

Some chapters from a book -- basics on how to use a mainframe includes how to use ISPF & HLQs
mvsbook.pdf